Jusangjeolli is a Columnar Joint that accumulates along the coast of Jungmun and has become a cultural monument on Jeju island. Who does not know the island of Jeju, ituloh island that often appears in Korean dramas.
Jusangjeolli itself is formed when the lava from Hallasan volcano erupts into the sea of Jungmun then the lava is cooled in a very fast time. Access to this place is not difficult kok, because Jeju island itself has become a tourist icon that is seeded in South Korea.